Water Not Required: Green Roof Blocks

With the hot weather and everyone beating a path up to the roof, here's a really nice way to keep it cool, green and growing. We can all help create the green city of the future with these guys.

Green Roof Blocks are 2' x 2' trays of drought resistant grass (and other plants) that don't need the expensive structural reinforcement/drainage/waterproofing that you often see. Starting at $15 per square foot, the blocks are made of aluminum and have a list of benefits...